Bag-fastener.



F. A. FULLER.

BAG FASTENER.

APPLICATION m2o Nov121.1914.

Patented Dec. 7, 1915.

'rj sri-tres naar @MWL rEANz A. EULLEE, or NEWARK, NEW JEiisEr, assieiiion ro infin a. E. iiEEeorr COMPANY, or NEWARK, NEW JERSEY, n coEronarioN or NEW JERSEY.

EAGLFASTENEE.

incassi.

Specification of Letters Patent.

Patented Bec. '7, i915.

Application filed November 21, 1914. Serial No. 873,259.

i erence bein-g had therein to .the accompanying drawings, which forni a part thereof.

My .invention relates to bag fasteners and more particularly to a type thereof applicable to bag frames having pivotally connected frame members and .embodying therein a lift latch adapted to lock said frame members when closed.

Bag frames of the character above referred to are made of members formed of channeled metal stock, the edges .of the bag body being adapted to be inserted yand secured within the channel of 4the frame vinembers. It is also a general custom to Vcover the frame members, .the edges .of the Covering material being folded within said Achannel. y

A bag fastener made in .accordance with my invention is so constructedthat its attachment l,to the frame membersgmay be ,accomplislied without obstructing the channel `of said members to an `extent to interfere, in any substantial degree, with ,the operations of covering' the frames or of mounting the bag body therein.

The spring acting upon the lift member or knob is so constructed and combined with relation to said member or knob as to occupy a position in the frame which will not interl fere with theattachment of the bag body toy the frame; Aand to .coperate with said frame member in a manner to cause the assembling of the spring and the lift member yor knob in relation to the frame mem-V ber lto develop a torsional stress upon the spring which will serve .to maintain `the lift member or knob normallyT in the operative position, while at the same time allowing ya. suliicieiit side sway of the spring to compensate for the slight lateral .component of movement of the spring lug,` resulting from the actuation of the lift member or knob.

A bag :fastener made in accordance with my invention is so simple in its construction as toiiotonly be capable of being inexpensively produced.` but to permit ,the assembly of the latch mechanism in relation to the frame members, in a manner to preserve the connected with said lug yand another porartistic lines of the frame. It is a common practice to provide frames of this character with decorative metal sections adjacent the latch mechanism, both as to the lift latch and the nose `or catch ycooperating therewith.

. ing the necessity for cutting and iitting ythe covering strip to land about the decorative plates. This construction has the advantage .that in addition to simplifying the covering operation ofthe frame, it secures a neat finish to the covered frame about the decorative metal. It also eliminates the possibility of the separation of the covering from the frame adjacent the latch which portion kof the frame is subjected to ygreater wear than yany other part thereof. decorative metal .parts Lto theframe, utilize as a securing means, the diferentpart's' of the latch mechanism, and thus not only simplify and cheapen the bag structure, but secure a reinforced wear surface adjacent this mechanism.

The invention econsists primarily in a kbag fastener embodying .therein aframe consisting sof hinged frame members, one of which has anopening in the `top thereof, a lift latch rmember or vknob provided with a lugadapted to project through said opening and within said frame, ra spring, one portion of which is -adapted to be operatively tion of which is projected substantially radially of ksaid lug and adapted to engage a side Wallk of said frame whereby the positioning yof said spring in relation to ksaid lug and frame ymember will subject it to a f torsional stress Ladapted, to normally seat saidlift member, and ayrnose or catch carried by the other frame member ,and adapted ,to be operatively engaged by said lift member; and in such other novel features of construction aud combination ofparts as are hereinafter' set forth and described and In applying the more particularly ypointed out in the claims n hereto appended.

Referring to the drawings: Figure l is a perspective view of a bag frame having ap'- plied thereto a fastener embodying my invention, a portion of one of the frame niembers being broken away; Fig. 2 is a vertical section of a portion of a bag frame adjacent the fastener; Fig. 3 is a section on the line 3-8 of AFig. 2; Fig. e is a section of the frame member carrying the nose or catch; F ig. 5 is a detailed view of the spring; Fig. 6 is a transverse section of a bag frame showing a modication the invention as to the manner of securing the spring in its position with relation to the frame member; and Fig. 7 is a similar view of a still further modification showing one manner of securing the spring when a rectangular frame is employed.

Lilie letters refer to like parts throughout the several views.

in the embodiment of my invention shown in the drawings, the frame members are shown at @#6, the main body of said members being provided with hinge members LL-a, -b2 respectively. Said hinged members are pivotally connected at c-c/. In the forms of the invention shown, the frame members of?) are composed of channeled metal stock. rlhe faces of said members presented toward each other when the bag is closed are substantially parallel and the tops thereof are reduced by a graduated curve of the outer walls of said members, thus presenting a channel constricted toward the top thereof. One of said members, as a, has through the top thereof, at any desired point, an opening Z adapted to receive the spring lug upon the lift member or knob. rlhe other frame member, as b, is provided with an outwardly presented nose or catch e of the usual and well-known construction.

lhe lift member or knob f, carried by the frame member a is provided with a pendant rim or keeper f adapted to operatively engage the nose or catch e and also with a spring lug g. An angular opening extends longitudinally through said lug, or other means are provided upon said lug whereby it may be operatively connected with its controlling spring. This lug is adapted to project through the opening d in the frame member a, and within the channel of said frame to a suflicient extent to expose the opening therein within said channel closely adjacent the top thereof. The 1Keeper rim is adapted to overhang the frame member o and to pass over and operatively engage the nose or catch e.

The controlling spring comprises a straight' section preferably of round spring wire having a portion thereof z bent at an angle to said straight section, so as to be projected toward the inner wall of the frame member a when it is assembled in the latch. To simplify the structure of this spring, l preferably merely turn the end thereof as shown. rlhe other end of said spring is adapted to be operatively connected with the lug g of the lift member, preferably by being flattened as at j so as to have a sliding fit with the angular opening in the said lug g. l also preferably provide said spring with a stop shoulder 7.4 adapted to define the movement of said spring when applying it to said lug, and also for accurately positioning the projection i in relation to its cooperating shoulder upon the frame a. rllhis stop shoulder is preferably formed by a short bend in the said spring.

To guard against displacement of the controlling spring, l form a slight depression as Z in the top of the frame member a and form in the spring adjacent the projections z' thereof a small notch m forming an eXten- 1 sion adapted to enter said depression. Below said recess Z, l form a seat at for the end of the projection i. rlhis seat may be formed in any desired manner as by pressing in the lower edge ofthe frame as shown in the preferred form of the invention, or by pressing the metal outwardly as shown at frz/ in the modification shown in Fig. 6. To insure against the displacement of the end of the said projection with relation l to the seat n or fn. l preferably flatten said projection and bring the end thereof to an edge adapted to rest firmly upon said seat. By this means, I am enabled to reduce the width of the seat, and at the `same time cause the'projection to take a sufficiently firm bite thereon. 1When the seat is formed by pressing the metal inwardly, vas in the preferred form of the invention, l have found there is a slight tendency of the projection z' to be forced from this seat when the edges of the bag are being connected to the frame member and to obviate this condition, I preferably arch said projection slightly as shown in Fig. 3 of the drawings.

When the channel of the frame member a is constricted at the top thereof, as shown in Figs. l to 6 of the drawings, the spring section t w'll have insufhcient side play or sway to permit the movementof the lift member or lrnob f to displace the projec tion z'. ldlhen, however, the fastener is applied to a frame member angular in cross section, this side play or sway of the spring would not be limited by the frame member, and to guard against a tendency toward the unseating of the projection by reason thereof, a confining block n? may be soldered or otherwise secured within the top of the frame member adjacent the said projection as shown in Fig. 7 of the drawings, or a depression similar to n in Fig. 3 may be used. Each of the frame sections a, and is covered with any desired material, indicated at o. This covering consists of a continuous strip of material extending from adjacent one hinge c to adjacent the other hinge c,'the edges thereof being lapped over and within the sides of the channels of each frame member @-6. After the applica-tion ofthifs covering strip, decorative ramemember ca -b eXtei-iorly of said covering material and adjacent the nose or catch c and the lift member or knob f respectively,y ,the edges of said plates being formed to the saidrame members. The plate o is held in position by the lift member of knob f and as a reinforcement forthe frame ad-` jacent said knob, and as a washer against which said knob bears.` The plate g is pierced to receive the stem of the nose or catch. e and is attached to the frame member bsolely by means of said nose or catch.

ln assembling the device, the lug g is projected through the opening Z andy throughy ythe opening in the plate y) when this plate is used the controlling spring isfthen operatively connected with said lug by merely inserting the iiattened end y' thereof in the angular spring socket in said lug. ln connecting said spring to said lug and in foroing the spring to place in the frame member a, tlie projection z' will be so positioned as to engage the inside wall of the. said :trame member, and the subsequent movement ofy the spring toward the top of the channel will have the effect of placing the sections t-y' under a torsional stress as well as under a direct tension toward the outer wall, the result of which will be the exertion of a normal tendency of the spring to tilt the liift member of knob f toward the frame member ZJ. As the controlling springcomes to seat, the iiattened end of the projection z' will enter the recess above and seat upon th(7 seat n the notch m adjacent said projection entering the. recess l in the top of the frame. rlhe engagement of the stop shoulder la with the edge of socket of the lug g, will accurately position the projection i with relation to the seat n. f f

l prefer to form the seat for the spring projection t' in the manner shown in Figs. l to 5 because the area of this seat is so small that the metal of the side of the frame may be readily formed inwardly and there will be no resultant protuberance appearing f upon. the outer face of the wall of the channel. This protubeiance would necessarily result in the form of the invention shown` in Fig. 6, and would require that the outer wall of the frame be ground o'tf to make it parallel throughout with the inner wall of the frame member Z). ln raising the lift member or knob the lug g will have both a rotary and a lateral movement, which will servo to increase the torsional, as well as the direct tension, of the spring. The length et.' the section It, however, is such as to accommodate the spring to both of these actions without making the tension of the spring too great.

lt is not my intention to limit the invention to the precise details of lconstruction shown "in the drawings, it being apparent that such may be varied without departing from the spirit and scope of tlieinvention.

yl-iaving described the invention kwhat l claim as new and desire to h ve kprotected by Letters Patent is z l. A bag fastener embodying therein :i

`iframe consisting of hinged frame members,

one of whichhas an opening in the top there f oit', a lift'member or knob provided with a lug adapted to project through said opening and withinsaid frame member, a sprino, one portion ofwhich is adapted to be operatively connected with said lug, and another portion of which is projected substantially radially of the axis of said lug and adapted to engage the side Wall of said frame, -whereby the positioning of rsaid spring in relation to said lug and said frame member will subject it to a torsional and a lateral stress adapted to normally seat said lift member, and a nose or catch carried by the other framev member and adapted to' be operatively engaged by said lift member.

2. A bag fastener embodying therein a frame consisting of hinged frame members one of which has an opening in the top thereof, a spring seat formed on the inner side Wall of said frame adjacent said opening, a lift member or knob, a lug having an angular socket therein carried by said member or knob and adapted to project through said opening yand within said frame member, a spring having one end thereof flattened so as to have a sliding lit with said socket in said lug and the other end of which is turned at an angle and adapted to engage the side wall of said frame and rest upon said `Spring seat whereby the positioning` of said spring in relation to said lug and said frame memi ber will subject it to a torsional and a lateral stress adapted to normally seat said lift member, and a nose or catch carried by the other frame member and adapted to be operatively engaged by said lift member.

3. A bag fastener embodying therein a ktrame consisting of khinged frame members one of which has an opening in the top therei of, a spring seat formed on the inner wall of said frame member adjacent said opening, said frame meinber'having a depressiony in the top above said spring seat, a lift meniber or knob, a lug` having` an angular socket ytherein carried by said member or knob and y'and adapted to engage the side Wall of said EL frame and rest upon said spring seat whereby tlie positioning' of said spring in relation to said lug and said frame member will subject it to a torsional and a lateral stress adapted to normally seat saidlift member,

izo

said spring adjacent said turned end having a notch formed therein adapted to seat in the said depression in the top of said Jframe member, and a nose or catch carried by the other frame member and adapted to be operatively engaged by said lift member.

4f. A bag fastener embodying therein a frame consisting of hinged members, one of which has an opening in the top thereof, the inner wall of said frame being formed inwardly adjacent the edge thereof to produce a spring seat adjacent said opening, a litt latch member or knob, a lug having an angular spring socket therein, carried by said lift member or knob and adapted to project through said opening and Within Said frame, a spring having the ends thereof flattened, one end of said spring having a sliding fit With said spring socket in said lug, and the other end thereof being projected at an angle so as to engage the side Wall of the frame member and rest upon Said Seat, said bent end being arched longitudinally and away from the Wall of said frame` member, Where by the positioning of Said Spring in relation to said lug and said frame member Will subject it to a torsional and a lateral stress adapted to normally seat Said lift member, and a nose or catch carried by the other frame member and adapted to be operatively engaged by said lift member.

In Witness whereof I hereunto aX mv signature in the presence of two Subscribing Witnesses, this 14th day of November 1914.

FRANZ A. FULLER.

Witnesses:

FREDK C. FISCHER, C. A. ALLISTON.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents, Washington, D. C. 

